Wind turbine



FIG. 1 is a perspective view of the wind turbine.

FIG. 2 is a side elevation view of the wind turbine rotated to a first position.

FIG. 3 is a side elevation view of the wind turbine rotated to a second position.

FIG. 4 is a side elevation view of the wind turbine rotated to a third position.

FIG. 5 is a side elevation view of the wind turbine rotated to a fourth position.

FIG. 6 is a bottom plan view of the wind turbine; and,

FIG. 7 is a top plan view of the wind turbine.

The broken line showing of bores or circles are included for the purpose of illustrating non-claimed subject matter and forms no part of the claimed design. 

The ornamental design for a wind turbine, as shown and described. 